449239136 has 24 divisors (see below), whose sum is σ = 898942464. Its totient is φ = 220936320.

The previous prime is 449239123. The next prime is 449239169. The reversal of 449239136 is 631932944.

It is a junction number, because it is equal to n+sod(n) for n = 449239093 and 449239102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113120 + ... + 117023.

It is an arithmetic number, because the mean of its divisors is an integer number (37455936).

Almost surely, 2^449239136 is an apocalyptic number.

It is an amenable number.

449239136 is an abundant number, since it is smaller than the sum of its proper divisors (449703328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449239136 is a wasteful number, since it uses less digits than its factorization.

449239136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230214 (or 230206 counting only the distinct ones).

The product of its digits is 139968, while the sum is 41.

The square root of 449239136 is about 21195.2621120853. The cubic root of 449239136 is about 765.8772944811.

The spelling of 449239136 in words is "four hundred forty-nine million, two hundred thirty-nine thousand, one hundred thirty-six".